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HD74HC674

Hitachi Semiconductor
Part Number HD74HC674
Manufacturer Hitachi Semiconductor
Description 16-bit Shift Register
Published Mar 23, 2005
Detailed Description HD74HC674 16-bit Shift Register Description The HD74HC674 is a 16-bit parallel-in, serial-out shift register. A three-s...
Datasheet PDF File HD74HC674 PDF File

HD74HC674
HD74HC674

Overview
HD74HC674 16-bit Shift Register Description The HD74HC674 is a 16-bit parallel-in, serial-out shift register.
A three-state input/output (data I/O) port provides access for entering serial data or reading the shift-register word in a recirculating loop.
The device has four basic modes of operation: 1.
2.
3.
4.
Hold (do nothing) Write (serially via input/output) Read (serially) Load (parallel via data inputs) Low-to-high-level changes at the chip select input should be made only when the clock input is low to prevent false clocking.
Features • • • • • High Speed Operation: tpd (CLK to SER/Q15) = 17 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VC...


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